/* global describe, it  */
var assert = require('assert');
var knex = require('knex')({});
var knexJsonQuery = require('./');
require('simple-mocha');


var conditions= [
  /* -----------Tests for and conditoins---------- */
  {
    name: 'handle simple and conditions',
    input:{ f1: 10, f2: 20, f3: 30 },
    output: 'select * where ("f1" = 10 and "f2" = 20 and "f3" = 30)'
  },
  {
    name: 'handle basic operators :: greater-than less-than',
    input:{ f1: ['>', 10], f2: [ '<', 20 ], f3: 30 },
    output: 'select * where ("f1" > 10 and "f2" < 20 and "f3" = 30)'
  },
  {
    name: 'handle basic operators :: in',
    input:{ f1: ['IN', [10,50]], f2: [ '<', 20 ], f3: 30 },
    output: 'select * where ("f1" in (10, 50) and "f2" < 20 and "f3" = 30)'
  },
  {
    name: 'handle multiple conditions in one field',
    input:{ f1: [ [ 'LIKE', 20 ], 21, [ 'AND_BETWEEN', [ 40, 45 ] ] ], f2: 20, f3: 30 },
    output: 'select * where (("f1" LIKE 20 and "f1" = 21 and "f1" between 40 and 45) and "f2" = 20 and "f3" = 30)'
  },
  {
    name: 'handle simple and condition with like statement',
    input:{ f1: [ 'LIKE', 20 ], f2: 20, f3: 30 },
    output: 'select * where ("f1" LIKE 20 and "f2" = 20 and "f3" = 30)'
  },
  {
    name: 'handle simple and condition with between statement',
    input:{ f1: ['BETWEEN', [50, 60] ], f2: 20, f3: 30 },
    output: 'select * where ("f1" between 50 and 60 and "f2" = 20 and "f3" = 30)'
  },
  {
    name: 'handle simple and condition with in statement',
    input:{ f1: ['IN', [ 50, 60 ] ], f2: 20, f3: 30 },
    output: 'select * where ("f1" in (50, 60) and "f2" = 20 and "f3" = 30)'
  },
  /* -----------Tests for or conditoins---------- */
  {
    name: 'handle simple or condition',
    input:[ { f1: 10 }, { f2: 20 }, { f3: 30 } ],
    output: 'select * where (("f1" = 10) or ("f2" = 20) or ("f3" = 30))'
  },
  {
    name: 'handle multiple conditions in one field',
    input:{ f1: [ [ 'LIKE', 20 ], [ 'OR', 21 ], [ 'OR_BETWEEN', [ 40, 45 ] ] ], f2: 20, f3: 30 },
    output: 'select * where (("f1" LIKE 20 or "f1" = 21 or "f1" between 40 and 45) and "f2" = 20 and "f3" = 30)'
  },
  {
    name: 'handle simple or condition with like statement',
    input:[ { f1: ['LIKE',10] }, { f2: 20 }, { f3: 30 } ],
    output: 'select * where (("f1" LIKE 10) or ("f2" = 20) or ("f3" = 30))'
  },
  {
    name: 'handle simple or condition with between statement',
    input:[ { f1: ['BETWEEN',[50, 60] ] }, { f2: 20 }, { f3: 30 } ],
    output: 'select * where (("f1" between 50 and 60) or ("f2" = 20) or ("f3" = 30))'
  },
  {
    name: 'handle simple or condition with in statement',
    input:[ { f1: ['IN',[ 50, 60 ]] }, { f2: 20 }, { f3: 30 } ],
    output: 'select * where (("f1" in (50, 60)) or ("f2" = 20) or ("f3" = 30))'
  },
];


describe('SQL query generation from json query', function(){
  conditions.forEach(function(v){
    it( 'should ' + v.name , function(){
      var expectedOut = knex.where( knexJsonQuery(v.input) ) + '';
      assert.equal( v.output, expectedOut );
    });
  });
});